package com.fan.util;

import java.math.BigDecimal;

public class BigDecimalUtil {

    private BigDecimalUtil() {
    }

    public static BigDecimal add(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v1));
        return b1.add(b2);
    }
    public static BigDecimal sub(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v1));
        return b1.subtract(b2);
    }
    public static BigDecimal mul(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v1));
        return b1.multiply(b2);
    }
    public static BigDecimal div(double v1, double v2){
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v1));
        return b1.divide(b2,2,BigDecimal.ROUND_HALF_UP);//四舍五入，保留2位小数
    }
}
